/*!	 valuenode_average.h
**	 Header file for implementation of the "Average" valuenode conversion.
**
**	......... ... 2014 Ivan Mahonin
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_VALUENODE_AVERAGE_H
#define __SYNFIG_VALUENODE_AVERAGE_H

#include "valuenode_dynamiclist.h"

namespace synfig
{

class ValueNode_Average : public ValueNode_DynamicList
{
public:

    typedef etl::handle<ValueNode_Average> Handle;
    typedef etl::handle<const ValueNode_Average> ConstHandle;

    ValueNode_Average(const ValueBase &value, etl::loose_handle<Canvas> canvas = 0);
    ValueNode_Average(Type &type, etl::loose_handle<Canvas> canvas = 0);
    virtual ~ValueNode_Average();

    virtual ValueBase operator()(Time t)const;

    virtual String get_name()const;
    virtual String get_local_name()const;

protected:
    LinkableValueNode* create_new()const;

public:
    static bool check_type(Type &type);
    static ValueNode_Average* create(const ValueBase &value, etl::loose_handle<Canvas> canvas = 0);
}; // END of class ValueNode_Average

}; // END of namespace synfig

#endif